package net.zjitc.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import lombok.extern.slf4j.Slf4j;
import net.zjitc.common.R;
import net.zjitc.entiy.User;

import net.zjitc.service.UserService;
import net.zjitc.utils.ValidateCodeUtils;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.lang.invoke.LambdaConversionException;
import java.util.Map;
import java.util.Objects;

@Slf4j
@RestController
@RequestMapping("/user")
public class UserController {
    @Autowired
    private UserService userService;
    //获取验证码
    //请求 URL: http://localhost:8080/user/sendMsg
    //请求方法: POST
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session) {
        //获取⼿机号
        String phone = user.getPhone();
        if (StringUtils.isNotEmpty(phone)) {
            //⽣成随机的4位验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("code={}", code);

            //调⽤阿⾥云提供的短信服务API完成发送短信
            //SMSUtils.sendMessage("瑞吉外卖","",phone,code);

            //需要将⽣成的验证码保存到Session
            session.setAttribute(phone, code);
            return R.success("⼿机验证码短信发送成功");
        }
        return R.error("短信发送失败");
    }
    //用户登录
    //请求 URL: http://localhost:8080/user/login
    //请求方法: POST
    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session){
        log.info(map.toString());
        //获取⼿机号
        String phone = map.get("phone").toString();
        //获取验证码
        String code = map.get("code").toString();
        //从Session中获取保存的验证码
        Object codeInSession = session.getAttribute(phone);
        //进⾏验证码的⽐对（⻚⾯提交的验证码和Session中保存的验证码⽐对）
        if(codeInSession != null && codeInSession.equals(code)){
            //如果能够⽐对成功，说明登录成功
            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone,phone);
            User user = userService.getOne(queryWrapper);
            if(user == null){
                //判断当前⼿机号对应的⽤户是否为新⽤户，如果是新⽤户就⾃动完成注册
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);

                userService.save(user);
            }
            session.setAttribute("user",user.getId());
            return R.success(user);
        }
        return R.error("登录失败");
    }
    //退出
    //请求 URL: http://localhost:8080/user/loginout
    //请求方法: POST
    @PostMapping("/loginout")
    public R<String> loginout(HttpSession session){
        session.removeAttribute("user");
        return R.success("退出成功");
    }
}
